1. ADJ If you say that a statement, action, or idea is indefensible, you mean that it cannot be justified or supported because it is completely wrong or unacceptable. 站不住腳的

She described the new policy as "morally indefensible."

她認(rèn)爲(wèi)新政策“在道德上是站不住腳的”。

2. ADJ Places or buildings that are indefensible cannot be defended if they are attacked. 無(wú)法防禦的

The checkpoint was abandoned as militarily indefensible. 檢查站因爲(wèi)軍事上無(wú)法防禦而被捨棄。